On Mon, Mar 24, 2008 at 01:09:35PM -0500, Paul Johnson wrote: > On Mon, Mar 24, 2008 at 8:11 AM, Duncan Murdoch <[EMAIL PROTECTED]> wrote: > > On 3/24/2008 9:03 AM, zhijie zhang wrote: > > > Dear Murdoch, > > > > > Thanks very > > > > I would use predict() instead. What you have there doesn't look as > > though it uses the B-spline basis. > > > > The reference given in the ?bs help page is a reasonable starting point, > > but just about any book that covers splines should handle the B-spline > > basis and the linear case. > > > > Duncan Murdoch > > > > Dear Duncan and others: > > Can you please refer us to an understandable book that explains about > b-splines? I've tried a few and the math pretty quickly becomes > unintelligible to a non-math major.
I think you should try Simon Wood's "Generalized Additive Models: An introduction in R." 2006 Chapman and Hall. I reviewed it recently and I think it's really very good. Cheers Andrew -- Andrew Robinson Department of Mathematics and Statistics Tel: +61-3-8344-6410 University of Melbourne, VIC 3010 Australia Fax: +61-3-8344-4599 http://www.ms.unimelb.edu.au/~andrewpr http://blogs.mbs.edu/fishing-in-the-bay/ ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
